package com.yxk;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@EnableDiscoveryClient
@SpringBootApplication
public class UserServerApp {
    public static void main(String[] args) {
        SpringApplication.run(UserServerApp.class,args);
    }

    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

    @RestController
    class DcController {

        @Autowired
        LoadBalancerClient loadBalancerClient;
        @Autowired
        RestTemplate restTemplate;

        @GetMapping("/consumer")
        public String dc() {
            ServiceInstance serviceInstance = loadBalancerClient.choose("product-server");
            String url = "http://" + serviceInstance.getHost() + ":" + serviceInstance.getPort() + "/dc";
            System.out.println(url);
            return restTemplate.getForObject(url, String.class);
        }
    }
}
